Rewarding murderous behavior.

As Eugene Volokh recently pointed out, “Behavior that gets rewarded, gets repeated.” If all it takes to earn a White House call for global condemnation of a single piece of expression is some violent protests outside a dozen or two diplomatic missions, then the perpetually aggrieved know exactly what to do the next time they pluck out some bit of cultural detritus to be offended by.

It is not any politician’s job, and certainly not any American politician’s job, to instruct the entire world on which films to criticize.